draft-ietf-dnsop-default-local-zones-12.txt   draft-ietf-dnsop-default-local-zones-13.txt 
Network Working Group M. Andrews Network Working Group M. Andrews
Internet-Draft ISC Internet-Draft ISC
Intended status: BCP April 8, 2010 Intended status: BCP May 1, 2010
Expires: October 10, 2010 Expires: November 2, 2010
Locally-served DNS Zones Locally-served DNS Zones
draft-ietf-dnsop-default-local-zones-12 draft-ietf-dnsop-default-local-zones-13
Abstract Abstract
Experience with the Domain Name System (DNS) has shown that there are Experience with the Domain Name System (DNS) has shown that there are
a number of DNS zones all iterative resolvers and recursive a number of DNS zones all iterative resolvers and recursive
nameservers should automatically serve, unless configured otherwise. nameservers should automatically serve, unless configured otherwise.
RFC 4193 specifies that this should occur for D.F.IP6.ARPA. This RFC 4193 specifies that this should occur for D.F.IP6.ARPA. This
document extends the practice to cover the IN-ADDR.ARPA zones for RFC document extends the practice to cover the IN-ADDR.ARPA zones for RFC
1918 address space and other well known zones with similar 1918 address space and other well known zones with similar
characteristics. characteristics.
Status of this Memo Status of this Memo
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Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Reserved Words . . . . . . . . . . . . . . . . . . . . . . 3 1.1. Reserved Words . . . . . . . . . . . . . . . . . . . . . . 4
2. Effects on sites using RFC 1918 addresses. . . . . . . . . . . 4 2. Effects on sites using RFC 1918 addresses. . . . . . . . . . . 5
3. Changes to Iterative Resolver Behaviour. . . . . . . . . . . . 4 3. Changes to Iterative Resolver Behaviour. . . . . . . . . . . . 5
4. Lists Of Zones Covered . . . . . . . . . . . . . . . . . . . . 5 4. Lists Of Zones Covered . . . . . . . . . . . . . . . . . . . . 6
4.1. RFC1918 Zones . . . . . . . . . . . . . . . . . . . . . . 5 4.1. RFC1918 Zones . . . . . . . . . . . . . . . . . . . . . . 6
4.2. RFC5735 and RFC5737 Zones . . . . . . . . . . . . . . . . 6 4.2. RFC5735 and RFC5737 Zones . . . . . . . . . . . . . . . . 7
4.3. Local IPv6 Unicast Addresses . . . . . . . . . . . . . . . 6 4.3. Local IPv6 Unicast Addresses . . . . . . . . . . . . . . . 7
4.4. IPv6 Locally Assigned Local Addresses . . . . . . . . . . 7 4.4. IPv6 Locally Assigned Local Addresses . . . . . . . . . . 8
4.5. IPv6 Link Local Addresses . . . . . . . . . . . . . . . . 7 4.5. IPv6 Link Local Addresses . . . . . . . . . . . . . . . . 8
4.6. IPv6 Example Prefix . . . . . . . . . . . . . . . . . . . 7 4.6. IPv6 Example Prefix . . . . . . . . . . . . . . . . . . . 8
5. Zones that are Out-Of-Scope . . . . . . . . . . . . . . . . . 7 4.7. ORCHID Prefix . . . . . . . . . . . . . . . . . . . . . . 8
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 8 5. Zones that are Out-Of-Scope . . . . . . . . . . . . . . . . . 9
7. Security Considerations . . . . . . . . . . . . . . . . . . . 8 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9
8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 9 7. Security Considerations . . . . . . . . . . . . . . . . . . . 10
9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 9 8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 10
9.1. Normative References . . . . . . . . . . . . . . . . . . . 9 9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 10
9.2. Informative References . . . . . . . . . . . . . . . . . . 10 9.1. Normative References . . . . . . . . . . . . . . . . . . . 10
Appendix A. Change History [To Be Removed on Publication] . . . . 10 9.2. Informative References . . . . . . . . . . . . . . . . . . 11
A.1. draft-ietf-dnsop-default-local-zones-12.txt . . . . . . . 10 Appendix A. Change History [To Be Removed on Publication] . . . . 12
A.2. draft-ietf-dnsop-default-local-zones-11.txt . . . . . . . 11 A.1. draft-ietf-dnsop-default-local-zones-13.txt . . . . . . . 12
A.3. draft-ietf-dnsop-default-local-zones-10.txt . . . . . . . 11 A.2. draft-ietf-dnsop-default-local-zones-12.txt . . . . . . . 12
A.4. draft-ietf-dnsop-default-local-zones-09.txt . . . . . . . 11 A.3. draft-ietf-dnsop-default-local-zones-11.txt . . . . . . . 12
A.5. draft-ietf-dnsop-default-local-zones-08.txt . . . . . . . 11 A.4. draft-ietf-dnsop-default-local-zones-10.txt . . . . . . . 12
A.6. draft-ietf-dnsop-default-local-zones-07.txt . . . . . . . 11 A.5. draft-ietf-dnsop-default-local-zones-09.txt . . . . . . . 12
A.7. draft-ietf-dnsop-default-local-zones-06.txt . . . . . . . 11 A.6. draft-ietf-dnsop-default-local-zones-08.txt . . . . . . . 12
A.8. draft-ietf-dnsop-default-local-zones-05.txt . . . . . . . 11 A.7. draft-ietf-dnsop-default-local-zones-07.txt . . . . . . . 12
A.9. draft-ietf-dnsop-default-local-zones-04.txt . . . . . . . 11 A.8. draft-ietf-dnsop-default-local-zones-06.txt . . . . . . . 12
A.10. draft-ietf-dnsop-default-local-zones-03.txt . . . . . . . 11 A.9. draft-ietf-dnsop-default-local-zones-05.txt . . . . . . . 13
A.11. draft-ietf-dnsop-default-local-zones-02.txt . . . . . . . 11 A.10. draft-ietf-dnsop-default-local-zones-04.txt . . . . . . . 13
A.12. draft-ietf-dnsop-default-local-zones-01.txt . . . . . . . 12 A.11. draft-ietf-dnsop-default-local-zones-03.txt . . . . . . . 13
A.13. draft-ietf-dnsop-default-local-zones-00.txt . . . . . . . 12 A.12. draft-ietf-dnsop-default-local-zones-02.txt . . . . . . . 13
A.14. draft-andrews-full-service-resolvers-03.txt . . . . . . . 12 A.13. draft-ietf-dnsop-default-local-zones-01.txt . . . . . . . 13
A.15. draft-andrews-full-service-resolvers-02.txt . . . . . . . 12 A.14. draft-ietf-dnsop-default-local-zones-00.txt . . . . . . . 13
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 12 A.15. draft-andrews-full-service-resolvers-03.txt . . . . . . . 13
A.16. draft-andrews-full-service-resolvers-02.txt . . . . . . . 14
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 14
1. Introduction 1. Introduction
Experience with the Domain Name System (DNS, [RFC1034] and [RFC1035]) Experience with the Domain Name System (DNS, [RFC1034] and [RFC1035])
has shown that there are a number of DNS zones that all iterative has shown that there are a number of DNS zones that all iterative
resolvers and recursive nameservers SHOULD automatically serve, resolvers and recursive nameservers SHOULD automatically serve,
unless intentionally configured otherwise. These zones include, but unless intentionally configured otherwise. These zones include, but
are not limited to, the IN-ADDR.ARPA zones for the address space are not limited to, the IN-ADDR.ARPA zones for the address space
allocated by [RFC1918] and the IP6.ARPA zones for locally assigned allocated by [RFC1918] and the IP6.ARPA zones for locally assigned
unique local IPv6 addresses defined in [RFC4193]. unique local IPv6 addresses defined in [RFC4193].
skipping to change at page 8, line 39 skipping to change at page 8, line 39
4.6. IPv6 Example Prefix 4.6. IPv6 Example Prefix
IPv6 example prefix [RFC3849]. IPv6 example prefix [RFC3849].
+--------------------------+ +--------------------------+
| Zone | | Zone |
+--------------------------+ +--------------------------+
| 8.B.D.0.1.0.0.2.IP6.ARPA | | 8.B.D.0.1.0.0.2.IP6.ARPA |
+--------------------------+ +--------------------------+
Note: 8.B.D.0.1.0.0.2.IP6.ARPA is not being used as a example here. Note: 8.B.D.0.1.0.0.2.IP6.ARPA is not being used as an example here.
4.7. ORCHID Prefix
[RFC4843].
+----------------------+
| Zone |
+----------------------+
| 0.1.1.0.0.2.IP6.ARPA |
+----------------------+
5. Zones that are Out-Of-Scope 5. Zones that are Out-Of-Scope
IPv6 site-local addresses (deprecated, see [RFC4291] Sections 2.4 and IPv6 site-local addresses (deprecated, see [RFC4291] Sections 2.4 and
2.5.7), and IPv6 Non-Locally Assigned Local addresses ([RFC4193]) are 2.5.7), and IPv6 Non-Locally Assigned Local addresses ([RFC4193]) are
not covered here. not covered here.
It is expected that IPv6 site-local addresses will be self correcting It is expected that IPv6 site-local addresses will be self correcting
as IPv6 implementations remove support for site-local addresses. as IPv6 implementations remove support for site-local addresses.
However, sacrificial servers for the zones C.E.F.IP6.ARPA through However, sacrificial servers for the zones C.E.F.IP6.ARPA through
skipping to change at page 10, line 38 skipping to change at page 11, line 4
BCP 5, RFC 1918, February 1996. BCP 5, RFC 1918, February 1996.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC2136] Vixie, P., Thomson, A., Rekhter, Y., and J. Bound, [RFC2136] Vixie, P., Thomson, A., Rekhter, Y., and J. Bound,
"Dynamic Updates in the Domain Name System (DNS UPDATE)", "Dynamic Updates in the Domain Name System (DNS UPDATE)",
RFC 2136, April 1997. RFC 2136, April 1997.
[RFC2308] Andrews, M., "Negative Caching of DNS Queries (DNS [RFC2308] Andrews, M., "Negative Caching of DNS Queries (DNS
NCACHE)", RFC 2398, March 1998. NCACHE)", RFC 2308, March 1998.
[RFC2606] Eastlake, D. and A. Panitz, "Reserved Top Level DNS [RFC2606] Eastlake, D. and A. Panitz, "Reserved Top Level DNS
Names", BCP 32, RFC 2606, June 1999. Names", BCP 32, RFC 2606, June 1999.
[RFC3596] Thomson, S., Huitema, C., Ksinant, V., and M. Souissi, [RFC3596] Thomson, S., Huitema, C., Ksinant, V., and M. Souissi,
"DNS Extensions to Support IPv6", RFC 3596, October 2003. "DNS Extensions to Support IPv6", RFC 3596, October 2003.
[RFC4035] Arends, R., Austein, R., Larson, M., Massey, D., and S. [RFC4035] Arends, R., Austein, R., Larson, M., Massey, D., and S.
Rose, "Protocol Modifications for the DNS Security Rose, "Protocol Modifications for the DNS Security
Extensions", RFC 4035, March 2005. Extensions", RFC 4035, March 2005.
[RFC4159] Huston, G., "Deprecation of "ip6.int"", BCP 109, RFC 4159, [RFC4159] Huston, G., "Deprecation of "ip6.int"", BCP 109, RFC 4159,
August 2005. August 2005.
[RFC4193] Hinden, R. and B. Haberman, "Unique Local IPv6 Unicast [RFC4193] Hinden, R. and B. Haberman, "Unique Local IPv6 Unicast
Addresses", RFC 4193, October 2005. Addresses", RFC 4193, October 2005.
[RFC4291] Hinden, R. and S. Deering, "IP Version 6 Addressing [RFC4291] Hinden, R. and S. Deering, "IP Version 6 Addressing
Architecture", RFC 4291, February 2006. Architecture", RFC 4291, February 2006.
[RFC4843] Nikander, P., Laganier, J., and F. Dupont, "An IPv6 Prefix
for Overlay Routable Cryptographic Hash Identifiers
(ORCHID)", RFC 4843, April 2007.
[RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing an [RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing an
IANA Considerations Section in RFCs", BCP 26, RFC 5226, IANA Considerations Section in RFCs", BCP 26, RFC 5226,
October 2008. October 2008.
9.2. Informative References 9.2. Informative References
[AS112] "AS112 Project", <http://www.as112.net/>. [AS112] "AS112 Project", <http://www.as112.net/>.
[I-D.draft-ietf-dnsop-as112-ops] [I-D.draft-ietf-dnsop-as112-ops]
Abley, J. and W. Maton, "AS112 Nameserver Operations", Abley, J. and W. Maton, "AS112 Nameserver Operations",
draft-ietf-dnsop-as112-ops-01 (work in progress), draft-ietf-dnsop-as112-ops-03 (work in progress),
November 2007. October 2009.
[I-D.draft-ietf-dnsop-as112-under-attack-help-help] [I-D.draft-ietf-dnsop-as112-under-attack-help-help]
Abley, J. and W. Maton, "I'm Being Attacked by Abley, J. and W. Maton, "I'm Being Attacked by
PRISONER.IANA.ORG!", PRISONER.IANA.ORG!",
draft-ietf-dnsop-as112-under-attack-help-help-01 (work in draft-ietf-dnsop-as112-under-attack-help-help-03 (work in
progress), November 2007. progress), October 2009.
[RFC3849] Huston, G., Lord, A., and P. Smith, "IPv6 Address Prefix [RFC3849] Huston, G., Lord, A., and P. Smith, "IPv6 Address Prefix
Reserved for Documentation", RFC 3849, July 2004. Reserved for Documentation", RFC 3849, July 2004.
[RFC5735] Cotton, M. and L. Vergoda, "Special-Use IPv4 Addresses", [RFC5735] Cotton, M. and L. Vergoda, "Special-Use IPv4 Addresses",
RFC 5735, January 2010. RFC 5735, January 2010.
[RFC5737] Arkko, J., Cotton, M., and L. Vergoda, "IPv4 Address [RFC5737] Arkko, J., Cotton, M., and L. Vergoda, "IPv4 Address
Blocks Reserved for Documentation", RFC 5737, Blocks Reserved for Documentation", RFC 5737,
January 2010. January 2010.
Appendix A. Change History [To Be Removed on Publication] Appendix A. Change History [To Be Removed on Publication]
A.1. draft-ietf-dnsop-default-local-zones-12.txt A.1. draft-ietf-dnsop-default-local-zones-13.txt
Inclusion of ORCHID prefix.
reference updates.
A.2. draft-ietf-dnsop-default-local-zones-12.txt
Update IP6.INT's non inclusion rational. Update IP6.INT's non inclusion rational.
Removed Appendix B, which requested BCP status, as it was redundant. Removed Appendix B, which requested BCP status, as it was redundant.
A.2. draft-ietf-dnsop-default-local-zones-11.txt A.3. draft-ietf-dnsop-default-local-zones-11.txt
Change RFC 3330 to RFC 5735 Change RFC 3330 to RFC 5735
A.3. draft-ietf-dnsop-default-local-zones-10.txt A.4. draft-ietf-dnsop-default-local-zones-10.txt
added RFC 5737 zones added RFC 5737 zones
A.4. draft-ietf-dnsop-default-local-zones-09.txt A.5. draft-ietf-dnsop-default-local-zones-09.txt
refresh awaiting writeup refresh awaiting writeup
A.5. draft-ietf-dnsop-default-local-zones-08.txt A.6. draft-ietf-dnsop-default-local-zones-08.txt
editorial, reference updates editorial, reference updates
A.6. draft-ietf-dnsop-default-local-zones-07.txt A.7. draft-ietf-dnsop-default-local-zones-07.txt
none, expiry prevention none, expiry prevention
A.7. draft-ietf-dnsop-default-local-zones-06.txt A.8. draft-ietf-dnsop-default-local-zones-06.txt
add IPv6 example prefix add IPv6 example prefix
A.8. draft-ietf-dnsop-default-local-zones-05.txt A.9. draft-ietf-dnsop-default-local-zones-05.txt
none, expiry prevention none, expiry prevention
A.9. draft-ietf-dnsop-default-local-zones-04.txt A.10. draft-ietf-dnsop-default-local-zones-04.txt
Centrally Assigned Local addresses -> Non-Locally Assigned Local Centrally Assigned Local addresses -> Non-Locally Assigned Local
address address
A.10. draft-ietf-dnsop-default-local-zones-03.txt A.11. draft-ietf-dnsop-default-local-zones-03.txt
expanded section 4 descriptions expanded section 4 descriptions
Added references [RFC2136], [RFC3596], Added references [RFC2136], [RFC3596],
[I-D.draft-ietf-dnsop-as112-ops] and [I-D.draft-ietf-dnsop-as112-ops] and
[I-D.draft-ietf-dnsop-as112-under-attack-help-help]. [I-D.draft-ietf-dnsop-as112-under-attack-help-help].
Revised language. Revised language.
A.11. draft-ietf-dnsop-default-local-zones-02.txt A.12. draft-ietf-dnsop-default-local-zones-02.txt
RNAME now "nobody.invalid." RNAME now "nobody.invalid."
Revised language. Revised language.
A.12. draft-ietf-dnsop-default-local-zones-01.txt A.13. draft-ietf-dnsop-default-local-zones-01.txt
Revised impact description. Revised impact description.
Updated to reflect change in IP6.INT status. Updated to reflect change in IP6.INT status.
A.13. draft-ietf-dnsop-default-local-zones-00.txt A.14. draft-ietf-dnsop-default-local-zones-00.txt
Adopted by DNSOP. Adopted by DNSOP.
"Author's Note" re-titled "Zones that are Out-Of-Scope" "Author's Note" re-titled "Zones that are Out-Of-Scope"
Add note that these zone are expected to seed the IANA registry. Add note that these zone are expected to seed the IANA registry.
Title changed. Title changed.
A.14. draft-andrews-full-service-resolvers-03.txt A.15. draft-andrews-full-service-resolvers-03.txt
Added "Proposed Status". Added "Proposed Status".
A.15. draft-andrews-full-service-resolvers-02.txt A.16. draft-andrews-full-service-resolvers-02.txt
Added 0.IN-ADDR.ARPA. Added 0.IN-ADDR.ARPA.
Author's Address Author's Address
Mark P. Andrews Mark P. Andrews
Internet Systems Consortium Internet Systems Consortium
950 Charter Street 950 Charter Street
Redwood City, CA 94063 Redwood City, CA 94063
US US
 End of changes. 27 change blocks. 
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